Monthly Archives: July 2025

Effect of Ambient Temperature on Air-Cooled Heat Exchanger (ACHE) Performance Ambient temperature significantly impacts the thermal performance, efficiency, and operational reliability of air-cooled heat exchangers. Here’s a detailed analysis: 1. Fundamental Thermodynamic Impact A. Approach Temperature Limitation math Q = UAΔT_{LMTD} Where...

Maintenance Practices for Air-Cooled Heat Exchangers (ACHEs) Proper maintenance is critical for ensuring optimal performance, energy efficiency, and longevity of air-cooled heat exchangers. Here are comprehensive maintenance practices: 1. Routine Inspection Practices A. Visual Inspections (Monthly/Quarterly) B. Thermal Imaging (Annual) 2. Cleaning...

B. Fan Power Consequences 4. Fouling & Maintenance Considerations Fin Density Fouling Risk Cleanability Low (3-8 FPI) Low Easy Medium (8-12 FPI) Moderate Moderate High (12-16+ FPI) High Difficult 5. Economic Trade-offs Parameter High FPI Low FPI Initial Cost Higher (more material) Lower Footprint Smaller Larger Energy Cost Higher (fan power)...